{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["message topic", "member collection", "instrument agency", "else"], "input": "factories accommodated large-scale manufacture and assembly of aircraft components by unskilled workers ."}
{"message topic": [], "member collection": [], "instrument agency": [], "else": []}